| Diekirch to Coin | 1,061.96 mi (1,709.06 km) |
| Diekirch to Colindres | 637.47 mi (1,025.92 km) |
| Diekirch to Collado-Villalba | 805.69 mi (1,296.63 km) |
| Diekirch to Colmenar Viejo | 797.11 mi (1,282.83 km) |
| Diekirch to Colmenarejo | 810.08 mi (1,303.70 km) |
| Diekirch to Conil de la Frontera | 1,121.46 mi (1,804.82 km) |
| Diekirch to Consuegra | 862.77 mi (1,388.49 km) |
| Diekirch to Corbera de Llobregat | 618.30 mi (995.06 km) |
| Diekirch to Cordoba | 988.80 mi (1,591.31 km) |
| Diekirch to Coria del Rio | 1,059.79 mi (1,705.56 km) |
| Diekirch to Crevillente | 873.22 mi (1,405.32 km) |
| Diekirch to Cuarte de Huerva | 665.70 mi (1,071.33 km) |
| Diekirch to Cubellas | 636.04 mi (1,023.61 km) |
| Diekirch to Cuellar | 771.91 mi (1,242.27 km) |
| Diekirch to Cuenca | 788.51 mi (1,268.99 km) |
